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Showing posts from October, 2025

When Your Best Customers Don’t Want What You’re Selling

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  Predicting Customer Behavior: A Data Science Journey Through Insurance Marketing Imagine you’re a marketing director at an insurance company launching a new product. Your team is excited — this offering consolidates coverage in ways customers have been asking for. You’ve got a database of 14,000 customers. The question keeping you up at night: Who should we target? Common wisdom says target your loyal customers, right? People who already trust you and buy your products. Spend your marketing budget on those established relationships. But what if the data told you the exact opposite? What if your most loyal customers, the ones already using your products, were the least likely to buy your new offering? This is the story of a real predictive analytics project that challenged conventional marketing wisdom — and revealed surprising truths about customer behavior. It’s also a story about mistakes, corrections, and the messy reality of data science work. The Challenge: 14,000 Customers...

How DeepSeek Turned "A Picture is Worth 1,000 Words" into a Powerful AI Compression Algorithm.

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DeepSeek-OCR Isn’t About OCR , It’s About Token Compression DeepSeek can use just 100 vision tokens to represent what would normally require 1,000 text tokens, and then decode it back with 97% accuracy.

Predicting Dropouts: How Regression Models Reveal Hidden Patterns in New York’s High Schools

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A step-by-step data science journey from messy datasets to meaningful insights Quick Overview — What You’ll Learn Before we dive in, here’s what this article covers: Understanding the Problem: Predicting high school dropout rates — why it matters and how data can help. From Raw to Ready: Cleaning and preparing real-world education data for machine learning. Exploring the Story in the Data (EDA): How visualization uncovers trends and data integrity issues. Choosing the Right Model: Why “one-size-fits-all” doesn’t work for predicting counts like dropouts. Modeling in Action: Comparing Linear Regression, Poisson, and Negative Binomial models. Evaluating and Validating: How cross-validation ensures that your model isn’t just lucky. Lessons and Takeaways: What this project teaches us about modeling, data storytelling, and real-world decision-making.  1. Understanding the Problem Each year, educators and policymakers grapple with the same question: why...

When AI Learns to Lie: Inside the Neural Machinery of Machine Deception

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  What You’ll Learn in This Article: The critical distinction between AI making mistakes (hallucination) and AI deliberately deceiving (lying) How researchers discovered the “rehearsal process” where AI practices lies before saying them The three-step assembly line AI systems use to construct deceptions Detection and control techniques that can identify and steer AI honesty in real-time The disturbing trade-off between honesty and performance that creates economic incentives for deceptive AI Why this matters now and what it means for the future of AI safety Ask an AI a simple question: “What’s the capital of Australia?” It answers: “Canberra.” Now ask it to lie about the capital of Australia. It says: “Sydney.” This might seem like a parlor trick, but groundbreaking research from Carnegie Mellon University reveals something far more concerning: the AI knows the correct answer is Canberra, consciously decides to deceive you, and systematically plans how to construct that ...